2025-09-18 / UCAC4 425-121995 / (306821) 2001 QU266
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Andreas Schweizer
O-
VID
M250
CH
GPS
22:58:39
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::
22:59:39
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 72578f60-ddb7-11f0-547e-f8a5f77fed02 for map and profile fit
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Event Details
Occultation UUID [and DB] : 72578f60-ddb7-11f0-547e-f8a5f77fed02 [observed]
Occultation Date + Time : 2025-09-18 at 23:07:46 UT +/- 0.04 min [1]
Object Designation : (306821) 2001 QU266
Orbit Class : MBA
Star Designation : GDR3 4218852263537425280
Star Coordinates (ICRF) : RA = 20 19 10.8074, DE = -05 07 29.343 [2]
Star Magnitudes : G = 14.07 mag, RP = 13.53 mag, BP = 14.44 mag
Object Magnitude : V = 19.66 mag
Estimated Magnitude Drop : 5.6 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.3 km (src: astorb)
Speed of the shadow : 7.8 km/s
Elongation to Moon & Sun : 157° (sunlit = 8%), Sun = 128°
Cross-track uncertainty : 0.7 mas = 0 km = 0.35 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#40
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
(If error 404: link not valid which means no data available)
